Mobile Crunch reports that Adobe is ready to provide Flash support to the iPhone–it’s Apple that’s holding things up.
In the meantime, it’s worth taking a look at how your web site renders on the iPhone. Considering Google has already revealed that iPhone users conduct 50x more searches than other cell phone users, you might want to ensure your web site is iPhone optimized.
This is particularly important if your web site is in Flash. As Matt Cutts recently demonstrated in a slide at PubCon:
The site on the left? Obviously serving an iPhone optimized version of its content. The site on the right? Not so much–it’s fully Flash.
Here’s an iPhone simulator you can use to check your own site.